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Hamond C, Dirsmith KL, LeCount K, Soltero FV, Rivera-Garcia S, Camp P, Anderson T, Hicks JA, Galloway R, Sutherland G, Schafer IJ, Goris MGA, van der Linden H, Stuber T, Bayles DO, Schlater LK, Nally JE. Leptospira borgpetersenii serovar Hardjo and Leptospira santarosai serogroup Pyrogenes isolated from bovine dairy herds in Puerto Rico. Front Vet Sci 2022; 9:1025282. [PMID: 36467637 PMCID: PMC9712998 DOI: 10.3389/fvets.2022.1025282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/31/2022] [Indexed: 10/13/2023] Open
Abstract
Leptospirosis is one of the most common zoonotic diseases in the world and endemic in the Caribbean Islands. Bovine leptospirosis is an important reproductive disease. Globally, cattle are recognized as a reservoir host for L. borgpetersenii serovar Hardjo, which is transmitted via urine, semen, and uterine discharges, and can result in abortion and poor reproductive performance. The dairy industry in Puerto Rico comprises up to 25% of agriculture-related income and is historically the most financially important agricultural commodity on the island. In this study, we report the isolation of two different pathogenic Leptospira species, from two different serogroups, from urine samples collected from dairy cows in Puerto Rico: L. borgpetersenii serogroup Sejroe serovar Hardjo and L. santarosai serogroup Pyrogenes. Recovered isolates were classified using whole-genome sequencing, serotyping with reference antisera and monoclonal antibodies, and immunoblotting. These results demonstrate that dairy herds in Puerto Rico can be concurrently infected with more than one species and serovar of Leptospira, and that bacterin vaccines and serologic diagnostics should account for this when applying intervention and diagnostic strategies.
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Affiliation(s)
- Camila Hamond
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
- National Center for Animal Health Leptospira Working Group, U. S. Department of Agriculture, Ames, IA, United States
| | - Katherine L. Dirsmith
- Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Veterinary Services Field Operations, San Juan, Puerto Rico
| | - Karen LeCount
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
- National Center for Animal Health Leptospira Working Group, U. S. Department of Agriculture, Ames, IA, United States
| | - Fred V. Soltero
- Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Veterinary Services Field Operations, San Juan, Puerto Rico
| | - Sarai Rivera-Garcia
- Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Veterinary Services Field Operations, San Juan, Puerto Rico
| | - Patrick Camp
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
| | - Tammy Anderson
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
- National Center for Animal Health Leptospira Working Group, U. S. Department of Agriculture, Ames, IA, United States
| | - Jessica A. Hicks
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
| | - Renee Galloway
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Graham Sutherland
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Ilana J. Schafer
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Marga G. A. Goris
- Department of Medical Microbiology and Infection Prevention, World Organisation for Animal Health and National Collaborating Centre for Reference and Research on Leptospirosis, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Hans van der Linden
- Department of Medical Microbiology and Infection Prevention, World Organisation for Animal Health and National Collaborating Centre for Reference and Research on Leptospirosis, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Tod Stuber
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
| | - Darrell O. Bayles
- Infectious Bacterial Diseases Research Unit, Agricultural Research Service, United States Department of Agriculture, Ames, IA, United States
| | - Linda K. Schlater
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service (APHIS), U.S. Department of Agriculture, Ames, IA, United States
- National Center for Animal Health Leptospira Working Group, U. S. Department of Agriculture, Ames, IA, United States
| | - Jarlath E. Nally
- National Center for Animal Health Leptospira Working Group, U. S. Department of Agriculture, Ames, IA, United States
- Infectious Bacterial Diseases Research Unit, Agricultural Research Service, United States Department of Agriculture, Ames, IA, United States
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The role of small ruminants in the epidemiology of leptospirosis. Sci Rep 2022; 12:2148. [PMID: 35140240 PMCID: PMC8828929 DOI: 10.1038/s41598-022-05767-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 01/18/2022] [Indexed: 01/25/2023] Open
Abstract
Leptospirosis is a common global zoonotic disease of man and all farm animals. Although most leptospiral infections in sheep and goats are asymptomatic, they may play a role in the epidemiology of the disease by the spread of Leptospira through the urine. This study was carried out to evaluate the role of sheep and goats in the epidemiology of leptospirosis. Blood and urine samples were taken from 210 goats and 246 sheep. To detect antibodies, sera samples were tested with 8 live serovars of L. interrogans (Hardjo, Pomona, Grippotyphosa, Canicola, Ballum, Icterhemorrhagiae, Tarasovi, and Australis) by MAT. Then, urine samples were tested by Nested PCR targeting 16S rRNA gene for detection of pathogenic Leptospira. Results of MAT showed that 10.95% of goats and 8.53% of sheep had antibodies against at least one examined serovars. In both species, the highest reacting was L. i. Pomona with a rate of 68.18% and 56% in sheep and goats, respectively. Moreover, in PCR, 2 (0.95%) urine samples of goat and 12 (4.87%) urine samples of sheep were positive. All of the MAT positive studied animals were PCR negative and, statistical analysis showed that there was no relationship and agreement between the results of PCR and MAT in sheep (kappa = − 0.07, p > 0.05) and goats (kappa = − 0.02, p > 0.05). Finally, it is concluded that sheep and goats can excrete L. interrogans in the urine and thus transmit them to other animals and humans.
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Hamond C, Browne AS, de Wilde LH, Hornsby RL, LeCount K, Anderson T, Stuber T, Cranford HM, Browne SK, Blanchard G, Horner D, Taylor ML, Evans M, Angeli NF, Roth J, Bisgard KM, Salzer JS, Schafer IJ, Ellis BR, Alt DP, Schlater L, Nally JE, Ellis EM. Assessing rodents as carriers of pathogenic Leptospira species in the U.S. Virgin Islands and their risk to animal and public health. Sci Rep 2022; 12:1132. [PMID: 35064157 PMCID: PMC8782869 DOI: 10.1038/s41598-022-04846-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/30/2021] [Indexed: 11/09/2022] Open
Abstract
Leptospirosis is a global zoonotic disease caused by pathogenic bacteria of the genus Leptospira. We sought to determine if rodents in U.S. Virgin Islands (USVI) are carriers of Leptospira. In total, 140 rodents were sampled, including 112 Mus musculus and 28 Rattus rattus. A positive carrier status was identified for 64/140 (45.7%); 49 (35.0%) were positive by dark-field microscopy, 60 (42.9%) by culture, 63 (45.0%) by fluorescent antibody testing, and 61 (43.6%) by real-time polymerase chain reaction (rtPCR). Molecular typing indicated that 48 isolates were L. borgpetersenii and 3 were L. kirschneri; the remaining nine comprised mixed species. In the single culture-negative sample that was rtPCR positive, genotyping directly from the kidney identified L. interrogans. Serotyping of L. borgpetersenii isolates identified serogroup Ballum and L. kirschneri isolates as serogroup Icterohaemorrhagiae. These results demonstrate that rodents are significant Leptospira carriers and adds to understanding the ecoepidemiology of leptospirosis in USVI.
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Affiliation(s)
- Camila Hamond
- APHIS, U.S. Department of Agriculture, National Veterinary Services Laboratories, Ames, IA, USA
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
| | - A Springer Browne
- Epidemic Intelligence Service, Division of Scientific Education and Professional Development, Centers for Disease Control and Prevention, Atlanta, GA, USA
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
- Domestic Animal Health Analytics Team, Center for Epidemiology and Animal Health, United States Department of Agriculture, Fort Collins, CO, USA
| | - Leah H de Wilde
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
| | - Richard L Hornsby
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
- Infectious Bacterial Diseases Research Unit, National Animal Disease Center-USDA-ARS, 1920 Dayton Avenue, Ames, IA, 50010, USA
| | - Karen LeCount
- APHIS, U.S. Department of Agriculture, National Veterinary Services Laboratories, Ames, IA, USA
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
| | - Tammy Anderson
- APHIS, U.S. Department of Agriculture, National Veterinary Services Laboratories, Ames, IA, USA
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
| | - Tod Stuber
- APHIS, U.S. Department of Agriculture, National Veterinary Services Laboratories, Ames, IA, USA
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
| | | | - Stephanie K Browne
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
- Council for State and Territorial Epidemiologists, Atlanta, GA, USA
| | - Gerard Blanchard
- U.S. Department of Agriculture, Wildlife Services, Charlotte Amalie, VI, USA
| | | | - Marissa L Taylor
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
| | - Michael Evans
- U.S. Fish and Wildlife Service, Fredericksted, VI, USA
| | - Nicole F Angeli
- U.S. Virgin Islands Department of Planning and Natural Resources, Fredericksted, VI, USA
| | - Joseph Roth
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
| | - Kristine M Bisgard
- Division of Scientific Education and Professional Development, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Johanna S Salzer
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Ilana J Schafer
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Brett R Ellis
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
| | - David P Alt
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
- Infectious Bacterial Diseases Research Unit, National Animal Disease Center-USDA-ARS, 1920 Dayton Avenue, Ames, IA, 50010, USA
| | - Linda Schlater
- APHIS, U.S. Department of Agriculture, National Veterinary Services Laboratories, Ames, IA, USA
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA
| | - Jarlath E Nally
- U.S. Department of Agriculture, NCAH Leptospira Working Group, Ames, IA, USA.
- Infectious Bacterial Diseases Research Unit, National Animal Disease Center-USDA-ARS, 1920 Dayton Avenue, Ames, IA, 50010, USA.
| | - Esther M Ellis
- U.S. Virgin Islands Department of Health, Christiansted, VI, USA
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Cranford HM, Browne AS, LeCount K, Anderson T, Hamond C, Schlater L, Stuber T, Burke-France VJ, Taylor M, Harrison CJ, Matias KY, Medley A, Rossow J, Wiese N, Jankelunas L, de Wilde L, Mehalick M, Blanchard GL, Garcia KR, McKinley AS, Lombard CD, Angeli NF, Horner D, Kelley T, Worthington DJ, Valiulis J, Bradford B, Berentsen A, Salzer JS, Galloway R, Schafer IJ, Bisgard K, Roth J, Ellis BR, Ellis EM, Nally JE. Mongooses (Urva auropunctata) as reservoir hosts of Leptospira species in the United States Virgin Islands, 2019-2020. PLoS Negl Trop Dis 2021; 15:e0009859. [PMID: 34780473 PMCID: PMC8592401 DOI: 10.1371/journal.pntd.0009859] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 09/28/2021] [Indexed: 11/18/2022] Open
Abstract
During 2019-2020, the Virgin Islands Department of Health investigated potential animal reservoirs of Leptospira spp., the bacteria that cause leptospirosis. In this cross-sectional study, we investigated Leptospira spp. exposure and carriage in the small Indian mongoose (Urva auropunctata, syn: Herpestes auropunctatus), an invasive animal species. This study was conducted across the three main islands of the U.S. Virgin Islands (USVI), which are St. Croix, St. Thomas, and St. John. We used the microscopic agglutination test (MAT), fluorescent antibody test (FAT), real-time polymerase chain reaction (lipl32 rt-PCR), and bacterial culture to evaluate serum and kidney specimens and compared the sensitivity, specificity, positive predictive value, and negative predictive value of these laboratory methods. Mongooses (n = 274) were live-trapped at 31 field sites in ten regions across USVI and humanely euthanized for Leptospira spp. testing. Bacterial isolates were sequenced and evaluated for species and phylogenetic analysis using the ppk gene. Anti-Leptospira spp. antibodies were detected in 34% (87/256) of mongooses. Reactions were observed with the following serogroups: Sejroe, Icterohaemorrhagiae, Pyrogenes, Mini, Cynopteri, Australis, Hebdomadis, Autumnalis, Mankarso, Pomona, and Ballum. Of the kidney specimens examined, 5.8% (16/270) were FAT-positive, 10% (27/274) were culture-positive, and 12.4% (34/274) were positive by rt-PCR. Of the Leptospira spp. isolated from mongooses, 25 were L. borgpetersenii, one was L. interrogans, and one was L. kirschneri. Positive predictive values of FAT and rt-PCR testing for predicting successful isolation of Leptospira by culture were 88% and 65%, respectively. The isolation and identification of Leptospira spp. in mongooses highlights the potential role of mongooses as a wildlife reservoir of leptospirosis; mongooses could be a source of Leptospira spp. infections for other wildlife, domestic animals, and humans.
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Affiliation(s)
- Hannah M. Cranford
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - A. Springer Browne
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
- Epidemic Intelligence Service, Division of Scientific Education and Professional Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Karen LeCount
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Tammy Anderson
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Camila Hamond
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Linda Schlater
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Tod Stuber
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Valicia J. Burke-France
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Marissa Taylor
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Cosme J. Harrison
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Katia Y. Matias
- Virgin Islands Department of Health, Public Health Laboratory, Christiansted, Virgin Islands, United States of America
| | - Alexandra Medley
- Epidemic Intelligence Service, Division of Scientific Education and Professional Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - John Rossow
- Epidemic Intelligence Service, Division of Scientific Education and Professional Development, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Nicholas Wiese
- Laboratory Leadership Service, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Leanne Jankelunas
- Epidemiology Elective Program, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Leah de Wilde
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Michelle Mehalick
- St. Croix Animal Welfare Center, Christiansted, Virgin Islands, United States of America
| | - Gerard L. Blanchard
- Animal and Plant Health Inspection Service Wildlife Services, United States Department of Agriculture, Charlotte Amalie, Virgin Islands, United States of America
| | - Keith R. Garcia
- Animal and Plant Health Inspection Service Wildlife Services, United States Department of Agriculture, Charlotte Amalie, Virgin Islands, United States of America
| | - Alan S. McKinley
- Animal and Plant Health Inspection Service Wildlife Services, United States Department of Agriculture, Charlotte Amalie, Virgin Islands, United States of America
| | - Claudia D. Lombard
- United States Fish and Wildlife Service, Christiansted, Virgin Islands, United States of America
| | - Nicole F. Angeli
- United States Virgin Islands Department of Planning and Natural Resources, Christiansted, Virgin Islands, United States of America
| | - David Horner
- National Park Service, Cruz Bay, Virgin Islands, United States of America
| | - Thomas Kelley
- National Park Service, Cruz Bay, Virgin Islands, United States of America
| | | | - Jennifer Valiulis
- St. Croix Environmental Association, Christiansted, Virgin Islands, United States of America
| | - Bethany Bradford
- United States Virgin Islands Department of Agriculture, Christiansted, Virgin Islands, United States of America
| | - Are Berentsen
- Animal and Plant Health Inspection Service Wildlife Services, National Wildlife Research Center, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Johanna S. Salzer
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Renee Galloway
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Ilana J. Schafer
- Bacterial Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Kristine Bisgard
- Center for Surveillance, Epidemiology, and Laboratory Services, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Joseph Roth
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Brett R. Ellis
- Virgin Islands Department of Health, Public Health Laboratory, Christiansted, Virgin Islands, United States of America
| | - Esther M. Ellis
- Virgin Islands Department of Health, Epidemiology Division, Christiansted, Virgin Islands, United States of America
| | - Jarlath E. Nally
- Leptospira Working Group, National Centers for Animal Health, United States Department of Agriculture, Ames, Iowa, United States of America
- Agricultural Research Service, Infectious Bacterial Diseases Research Unit, United States Department of Agriculture, Ames, Iowa, United States of America
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